Discover more of Etherscan's tools and services in one place.
Sponsored
Contract Source Code:
File 1 of 1 : BOX
pragma solidity ^0.4.16; // Copyright 2017. box.la authors. // ERC Token Standard #20 Interface // https://github.com/ethereum/EIPs/issues/20 contract BOX { string public constant symbol = "BOX"; string public constant name = "BOX Token"; uint8 public constant decimals = 18; uint256 _totalSupply = (10 ** 8) * (10 ** 18); address public owner; // Balances for each account mapping(address => uint256) balances; // Owner of account approves the transfer of an amount to another account mapping(address => mapping (address => uint256)) allowed; // Constructor function BOX() public { owner = msg.sender; balances[owner] = _totalSupply; } // Send back ether sent to me function () public { revert(); } function totalSupply() constant public returns (uint256) { return _totalSupply; } // What is the balance of a particular account? function balanceOf(address _owner) constant public returns (uint256 balance) { return balances[_owner]; } // Transfer the balance from owner's account to another account function transfer(address _to, uint256 _amount) public returns (bool success) { if (balances[msg.sender] >= _amount && _amount > 0 && balances[_to] + _amount > balances[_to]) { balances[msg.sender] -= _amount; balances[_to] += _amount; Transfer(msg.sender, _to, _amount); return true; } else { return false; } } // Send _value amount of tokens from address _from to address _to // The transferFrom method is used for a withdraw workflow, allowing contracts to send // tokens on your behalf, for example to "deposit" to a contract address and/or to charge // fees in sub-currencies; the command should fail unless the _from account has // deliberately authorized the sender of the message via some mechanism; we propose // these standardized APIs for approval: function transferFrom(address _from, address _to, uint256 _amount) public returns (bool success) { if (balances[_from] >= _amount && allowed[_from][msg.sender] >= _amount && _amount > 0 && balances[_to] + _amount > balances[_to]) { balances[_from] -= _amount; allowed[_from][msg.sender] -= _amount; balances[_to] += _amount; Transfer(_from, _to, _amount); return true; } else { return false; } } // Allow _spender to withdraw from your account, multiple times, up to the _value amount. // If this function is called again it overwrites the current allowance with _value. function approve(address _spender, uint256 _amount) public returns (bool success) { allowed[msg.sender][_spender] = _amount; Approval(msg.sender, _spender, _amount); return true; } // Returns the amount which _spender is still allowed to withdraw from _owner function allowance(address _owner, address _spender) constant public returns (uint256 remaining) { return allowed[_owner][_spender]; } event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); }
Please enter a contract address above to load the contract details and source code.
This website uses cookies to improve your experience. By continuing to use this website, you agree to its Terms and Privacy Policy.